From: Vladimir Pantelic <vladoman-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Russell King - ARM Linux
<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Jason Kridner <jkridner-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "beagleboard-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org"
<beagleboard-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>,
Robert Nelson
<robertcnelson-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
OMAP List <linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
ARM Kernel List
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: Unifying cape overlays into boot .dtb for BeagleBoard.org boards
Date: Tue, 17 Jun 2014 15:45:59 +0200 [thread overview]
Message-ID: <53A04697.1020904@gmail.com> (raw)
In-Reply-To: <20140617090931.GB3705-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
On 06/17/2014 11:09 AM, Russell King - ARM Linux wrote:
> Here's the most obvious question in the world on this topic. Are capes
> hot-pluggable?
"capes" as in Beaglebone capes might not be due to the mechanical
constraints you listed.
"capes" as a concept of pluggable hardware might well be. here is a real
world example of commercially available pluggable hardware add-ons on a
Linux system back from 2008:
http://en.wikipedia.org/wiki/Archos_Generation_6#Accessories
depending on the add-on, different interfaces like GPIO, UART, USB, SPI
using the same pins were used and there was no reboot needed to load a
new hardware configuration or change the pinmux
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WARNING: multiple messages have this Message-ID (diff)
From: vladoman@gmail.com (Vladimir Pantelic)
To: linux-arm-kernel@lists.infradead.org
Subject: Unifying cape overlays into boot .dtb for BeagleBoard.org boards
Date: Tue, 17 Jun 2014 15:45:59 +0200 [thread overview]
Message-ID: <53A04697.1020904@gmail.com> (raw)
In-Reply-To: <20140617090931.GB3705@n2100.arm.linux.org.uk>
On 06/17/2014 11:09 AM, Russell King - ARM Linux wrote:
> Here's the most obvious question in the world on this topic. Are capes
> hot-pluggable?
"capes" as in Beaglebone capes might not be due to the mechanical
constraints you listed.
"capes" as a concept of pluggable hardware might well be. here is a real
world example of commercially available pluggable hardware add-ons on a
Linux system back from 2008:
http://en.wikipedia.org/wiki/Archos_Generation_6#Accessories
depending on the add-on, different interfaces like GPIO, UART, USB, SPI
using the same pins were used and there was no reboot needed to load a
new hardware configuration or change the pinmux
next prev parent reply other threads:[~2014-06-17 13:45 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-10 16:46 Unifying cape overlays into boot .dtb for BeagleBoard.org boards Jason Kridner
[not found] ` <CA+T6QP==raXdWz9mezK3JxSvZjWhUZZ7aKv4CpCr0SbdaCMgDQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-11 5:10 ` Jason Kridner
2014-06-16 13:22 ` Jason Kridner
2014-06-16 13:22 ` Jason Kridner
2014-06-17 9:09 ` Russell King - ARM Linux
2014-06-17 9:09 ` Russell King - ARM Linux
[not found] ` <20140617090931.GB3705-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2014-06-17 12:37 ` Tom Rini
2014-06-17 12:37 ` Tom Rini
2014-06-17 12:56 ` Russell King - ARM Linux
2014-06-17 12:56 ` Russell King - ARM Linux
[not found] ` <20140617125640.GC3705-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2014-06-17 14:58 ` Tom Rini
2014-06-17 14:58 ` Tom Rini
2014-06-17 13:45 ` Vladimir Pantelic [this message]
2014-06-17 13:45 ` Vladimir Pantelic
2014-06-17 12:58 ` Matt Porter
2014-06-17 12:58 ` Matt Porter
2014-06-17 13:15 ` Russell King - ARM Linux
2014-06-17 13:15 ` Russell King - ARM Linux
2014-06-17 13:30 ` Matt Porter
2014-06-17 13:30 ` Matt Porter
2014-06-17 13:32 ` Pantelis Antoniou
2014-06-17 13:32 ` Pantelis Antoniou
2014-06-17 16:01 ` Russell King - ARM Linux
2014-06-17 16:01 ` Russell King - ARM Linux
[not found] ` <20140617160119.GE3705-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2014-06-17 16:33 ` Jason Kridner
2014-06-17 16:33 ` Jason Kridner
2014-06-17 16:59 ` Pantelis Antoniou
2014-06-17 16:59 ` Pantelis Antoniou
2014-06-17 17:05 ` Russell King - ARM Linux
2014-06-17 17:05 ` Russell King - ARM Linux
2014-06-17 17:10 ` Pantelis Antoniou
2014-06-17 17:10 ` Pantelis Antoniou
2014-06-17 17:41 ` Russell King - ARM Linux
2014-06-17 17:41 ` Russell King - ARM Linux
2014-06-17 19:24 ` Pantelis Antoniou
2014-06-17 19:24 ` Pantelis Antoniou
2014-06-17 13:50 ` Grant Likely
2014-06-17 13:50 ` Grant Likely
2014-06-17 14:08 ` Iain Paton
2014-06-17 14:08 ` Iain Paton
2014-06-11 5:11 ` Jason Kridner
2014-06-11 5:11 ` Jason Kridner
2014-06-17 7:11 ` Gupta, Pekon
2014-06-17 7:11 ` Gupta, Pekon
[not found] ` <20980858CB6D3A4BAE95CA194937D5E73EAF59A7-yXqyApvAXouIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2014-06-17 16:25 ` Jason Kridner
2014-06-17 16:25 ` Jason Kridner
2014-06-18 8:51 ` Gupta, Pekon
2014-06-18 8:51 ` Gupta, Pekon
2014-06-26 7:50 ` Tony Lindgren
2014-06-26 7:50 ` Tony Lindgren
[not found] ` <20140626075039.GG28884-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2014-06-26 13:06 ` Tom Rini
2014-06-26 13:06 ` Tom Rini
[not found] ` <53AC1AC5.5000103-l0cyMroinI0@public.gmane.org>
2014-06-26 15:27 ` Jason Kridner
2014-06-26 15:27 ` Jason Kridner
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